Control valve

Details Control valve Control valve

1975-10-28

1976-12-28

Cline, William R.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Utilizing particular fluid

137 13, 137251, F16K 900, F16K 3106

Patent

active

039995755

ABSTRACT:
A refrigerant control valve for an air conditioning system in which a flow passage is formed between closely spaced poles of an electro-magnet which may be selectively magnetized by energizing a coil to produce a magnetic field through the pole members and across the flow passage. This attracts a quantity of small iron particles which are mixed with and circulate with the refrigerant and lubricating oil. The accumulation of iron particles on the surfaces of the pole members decreases the flow area between the poles and controls refrigerant flow.

REFERENCES:
patent: 2869818 (1959-01-01), Fleuret
patent: 3405728 (1968-10-01), Dexter
patent: 3485254 (1969-12-01), Ernst
patent: 3552275 (1971-01-01), Chaney et al.
patent: 3587613 (1971-06-01), Mark

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